juicysfplugin/modules/juce_gui_extra/misc/juce_LiveConstantEditor.cpp

499 lines
15 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
#if JUCE_ENABLE_LIVE_CONSTANT_EDITOR
namespace LiveConstantEditor
{
//==============================================================================
class AllComponentRepainter : private Timer,
private DeletedAtShutdown
{
public:
AllComponentRepainter() {}
~AllComponentRepainter() override { clearSingletonInstance(); }
JUCE_DECLARE_SINGLETON (AllComponentRepainter, false)
void trigger()
{
if (! isTimerRunning())
startTimer (100);
}
private:
void timerCallback() override
{
stopTimer();
Array<Component*> alreadyDone;
for (int i = TopLevelWindow::getNumTopLevelWindows(); --i >= 0;)
if (auto* c = TopLevelWindow::getTopLevelWindow(i))
repaintAndResizeAllComps (c, alreadyDone);
auto& desktop = Desktop::getInstance();
for (int i = desktop.getNumComponents(); --i >= 0;)
if (auto* c = desktop.getComponent(i))
repaintAndResizeAllComps (c, alreadyDone);
}
static void repaintAndResizeAllComps (Component::SafePointer<Component> c,
Array<Component*>& alreadyDone)
{
if (c->isVisible() && ! alreadyDone.contains (c))
{
c->repaint();
c->resized();
for (int i = c->getNumChildComponents(); --i >= 0;)
{
if (auto* child = c->getChildComponent(i))
{
repaintAndResizeAllComps (child, alreadyDone);
alreadyDone.add (child);
}
if (c == nullptr)
break;
}
}
}
};
JUCE_IMPLEMENT_SINGLETON (AllComponentRepainter)
JUCE_IMPLEMENT_SINGLETON (ValueList)
//==============================================================================
int64 parseInt (String s)
{
s = s.trimStart();
if (s.startsWithChar ('-'))
return -parseInt (s.substring (1));
if (s.startsWith ("0x"))
return s.substring(2).getHexValue64();
return s.getLargeIntValue();
}
double parseDouble (const String& s)
{
return s.retainCharacters ("0123456789.eE-").getDoubleValue();
}
String intToString (int v, bool preferHex) { return preferHex ? "0x" + String::toHexString (v) : String (v); }
String intToString (int64 v, bool preferHex) { return preferHex ? "0x" + String::toHexString (v) : String (v); }
//==============================================================================
LiveValueBase::LiveValueBase (const char* file, int line)
: sourceFile (file), sourceLine (line)
{
name = File (sourceFile).getFileName() + " : " + String (sourceLine);
}
LiveValueBase::~LiveValueBase()
{
}
//==============================================================================
LivePropertyEditorBase::LivePropertyEditorBase (LiveValueBase& v, CodeDocument& d)
: value (v), document (d), sourceEditor (document, &tokeniser)
{
setSize (600, 100);
addAndMakeVisible (name);
addAndMakeVisible (resetButton);
addAndMakeVisible (valueEditor);
addAndMakeVisible (sourceEditor);
findOriginalValueInCode();
selectOriginalValue();
name.setFont (13.0f);
name.setText (v.name, dontSendNotification);
valueEditor.setMultiLine (v.isString());
valueEditor.setReturnKeyStartsNewLine (v.isString());
valueEditor.setText (v.getStringValue (wasHex), dontSendNotification);
valueEditor.onTextChange = [this] { applyNewValue (valueEditor.getText()); };
sourceEditor.setReadOnly (true);
sourceEditor.setFont (sourceEditor.getFont().withHeight (13.0f));
resetButton.onClick = [this] { applyNewValue (value.getOriginalStringValue (wasHex)); };
}
void LivePropertyEditorBase::paint (Graphics& g)
{
g.setColour (Colours::white);
g.fillRect (getLocalBounds().removeFromBottom (1));
}
void LivePropertyEditorBase::resized()
{
auto r = getLocalBounds().reduced (0, 3).withTrimmedBottom (1);
auto left = r.removeFromLeft (jmax (200, r.getWidth() / 3));
auto top = left.removeFromTop (25);
resetButton.setBounds (top.removeFromRight (35).reduced (0, 3));
name.setBounds (top);
if (customComp != nullptr)
{
valueEditor.setBounds (left.removeFromTop (25));
left.removeFromTop (2);
customComp->setBounds (left);
}
else
{
valueEditor.setBounds (left);
}
r.removeFromLeft (4);
sourceEditor.setBounds (r);
}
void LivePropertyEditorBase::applyNewValue (const String& s)
{
value.setStringValue (s);
document.replaceSection (valueStart.getPosition(), valueEnd.getPosition(), value.getCodeValue (wasHex));
document.clearUndoHistory();
selectOriginalValue();
valueEditor.setText (s, dontSendNotification);
AllComponentRepainter::getInstance()->trigger();
}
void LivePropertyEditorBase::selectOriginalValue()
{
sourceEditor.selectRegion (valueStart, valueEnd);
}
void LivePropertyEditorBase::findOriginalValueInCode()
{
CodeDocument::Position pos (document, value.sourceLine, 0);
auto line = pos.getLineText();
auto p = line.getCharPointer();
p = CharacterFunctions::find (p, CharPointer_ASCII ("JUCE_LIVE_CONSTANT"));
if (p.isEmpty())
{
// Not sure how this would happen - some kind of mix-up between source code and line numbers..
jassertfalse;
return;
}
p += (int) (sizeof ("JUCE_LIVE_CONSTANT") - 1);
p = p.findEndOfWhitespace();
if (! CharacterFunctions::find (p, CharPointer_ASCII ("JUCE_LIVE_CONSTANT")).isEmpty())
{
// Aargh! You've added two JUCE_LIVE_CONSTANT macros on the same line!
// They're identified by their line number, so you must make sure each
// one goes on a separate line!
jassertfalse;
}
if (p.getAndAdvance() == '(')
{
auto start = p, end = p;
int depth = 1;
while (! end.isEmpty())
{
auto c = end.getAndAdvance();
if (c == '(') ++depth;
if (c == ')') --depth;
if (depth == 0)
{
--end;
break;
}
}
if (end > start)
{
valueStart = CodeDocument::Position (document, value.sourceLine, (int) (start - line.getCharPointer()));
valueEnd = CodeDocument::Position (document, value.sourceLine, (int) (end - line.getCharPointer()));
valueStart.setPositionMaintained (true);
valueEnd.setPositionMaintained (true);
wasHex = String (start, end).containsIgnoreCase ("0x");
}
}
}
//==============================================================================
class ValueListHolderComponent : public Component
{
public:
ValueListHolderComponent (ValueList& l) : valueList (l)
{
setVisible (true);
}
void addItem (int width, LiveValueBase& v, CodeDocument& doc)
{
addAndMakeVisible (editors.add (v.createPropertyComponent (doc)));
layout (width);
}
void layout (int width)
{
setSize (width, editors.size() * itemHeight);
resized();
}
void resized() override
{
auto r = getLocalBounds().reduced (2, 0);
for (int i = 0; i < editors.size(); ++i)
editors.getUnchecked(i)->setBounds (r.removeFromTop (itemHeight));
}
enum { itemHeight = 120 };
ValueList& valueList;
OwnedArray<LivePropertyEditorBase> editors;
};
//==============================================================================
class ValueList::EditorWindow : public DocumentWindow,
private DeletedAtShutdown
{
public:
EditorWindow (ValueList& list)
: DocumentWindow ("Live Values", Colours::lightgrey, DocumentWindow::closeButton)
{
setLookAndFeel (&lookAndFeel);
setUsingNativeTitleBar (true);
viewport.setViewedComponent (new ValueListHolderComponent (list), true);
viewport.setSize (700, 600);
viewport.setScrollBarsShown (true, false);
setContentNonOwned (&viewport, true);
setResizable (true, false);
setResizeLimits (500, 400, 10000, 10000);
centreWithSize (getWidth(), getHeight());
setVisible (true);
}
~EditorWindow() override
{
setLookAndFeel (nullptr);
}
void closeButtonPressed() override
{
setVisible (false);
}
void updateItems (ValueList& list)
{
if (auto* l = dynamic_cast<ValueListHolderComponent*> (viewport.getViewedComponent()))
{
while (l->getNumChildComponents() < list.values.size())
{
if (auto* v = list.values [l->getNumChildComponents()])
l->addItem (viewport.getMaximumVisibleWidth(), *v, list.getDocument (v->sourceFile));
else
break;
}
setVisible (true);
}
}
void resized() override
{
DocumentWindow::resized();
if (auto* l = dynamic_cast<ValueListHolderComponent*> (viewport.getViewedComponent()))
l->layout (viewport.getMaximumVisibleWidth());
}
Viewport viewport;
LookAndFeel_V3 lookAndFeel;
};
//==============================================================================
ValueList::ValueList() {}
ValueList::~ValueList() { clearSingletonInstance(); }
void ValueList::addValue (LiveValueBase* v)
{
values.add (v);
triggerAsyncUpdate();
}
void ValueList::handleAsyncUpdate()
{
if (editorWindow == nullptr)
editorWindow = new EditorWindow (*this);
editorWindow->updateItems (*this);
}
CodeDocument& ValueList::getDocument (const File& file)
{
const int index = documentFiles.indexOf (file.getFullPathName());
if (index >= 0)
return *documents.getUnchecked (index);
auto* doc = documents.add (new CodeDocument());
documentFiles.add (file);
doc->replaceAllContent (file.loadFileAsString());
doc->clearUndoHistory();
return *doc;
}
//==============================================================================
struct ColourEditorComp : public Component,
private ChangeListener
{
ColourEditorComp (LivePropertyEditorBase& e) : editor (e)
{
setMouseCursor (MouseCursor::PointingHandCursor);
}
Colour getColour() const
{
return Colour ((uint32) parseInt (editor.value.getStringValue (false)));
}
void paint (Graphics& g) override
{
g.fillCheckerBoard (getLocalBounds().toFloat(), 6.0f, 6.0f,
Colour (0xffdddddd).overlaidWith (getColour()),
Colour (0xffffffff).overlaidWith (getColour()));
}
void mouseDown (const MouseEvent&) override
{
auto* colourSelector = new ColourSelector();
colourSelector->setName ("Colour");
colourSelector->setCurrentColour (getColour());
colourSelector->addChangeListener (this);
colourSelector->setColour (ColourSelector::backgroundColourId, Colours::transparentBlack);
colourSelector->setSize (300, 400);
CallOutBox::launchAsynchronously (colourSelector, getScreenBounds(), nullptr);
}
void changeListenerCallback (ChangeBroadcaster* source) override
{
if (auto* cs = dynamic_cast<ColourSelector*> (source))
editor.applyNewValue (getAsString (cs->getCurrentColour(), true));
repaint();
}
LivePropertyEditorBase& editor;
};
Component* createColourEditor (LivePropertyEditorBase& editor)
{
return new ColourEditorComp (editor);
}
//==============================================================================
struct SliderComp : public Component
{
SliderComp (LivePropertyEditorBase& e, bool useFloat)
: editor (e), isFloat (useFloat)
{
slider.setTextBoxStyle (Slider::NoTextBox, true, 0, 0);
addAndMakeVisible (slider);
updateRange();
slider.onDragEnd = [this] { updateRange(); };
slider.onValueChange = [this]
{
editor.applyNewValue (isFloat ? getAsString ((double) slider.getValue(), editor.wasHex)
: getAsString ((int64) slider.getValue(), editor.wasHex));
};
}
virtual void updateRange()
{
double v = isFloat ? parseDouble (editor.value.getStringValue (false))
: (double) parseInt (editor.value.getStringValue (false));
double range = isFloat ? 10 : 100;
slider.setRange (v - range, v + range);
slider.setValue (v, dontSendNotification);
}
void resized() override
{
slider.setBounds (getLocalBounds().removeFromTop (25));
}
LivePropertyEditorBase& editor;
Slider slider;
bool isFloat;
};
//==============================================================================
struct BoolSliderComp : public SliderComp
{
BoolSliderComp (LivePropertyEditorBase& e)
: SliderComp (e, false)
{
slider.onValueChange = [this] { editor.applyNewValue (slider.getValue() > 0.5 ? "true" : "false"); };
}
void updateRange() override
{
slider.setRange (0.0, 1.0, dontSendNotification);
slider.setValue (editor.value.getStringValue (false) == "true", dontSendNotification);
}
};
Component* createIntegerSlider (LivePropertyEditorBase& editor) { return new SliderComp (editor, false); }
Component* createFloatSlider (LivePropertyEditorBase& editor) { return new SliderComp (editor, true); }
Component* createBoolSlider (LivePropertyEditorBase& editor) { return new BoolSliderComp (editor); }
}
#endif
} // namespace juce